https://community.appian.com/support/w/kb/3743/kb-2365-silent-installer-flag-deprecation-transition-from---mode-silent-to---mode-unattendeden-USTelligent Community 12https://community.appian.com/support/w/kb/3743/kb-2365-silent-installer-flag-deprecation-transition-from---mode-silent-to---mode-unattendedTue, 16 Dec 2025 22:57:25 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:e6237188-b0f7-4353-89c3-7edce2001fd9pauline.delacruzhttps://community.appian.com/support/w/kb/3743/kb-2365-silent-installer-flag-deprecation-transition-from---mode-silent-to---mode-unattended#commentsCurrent Revision posted to Appian Knowledge Base by pauline.delacruz on 12/16/2025 10:57:25 PM<br /> <h2>Purpose</h2> <p>This article was created to inform customers that the Windows installer flag <code>--mode silent</code> has been deprecated and replaced with <code>--mode unattended</code>.</p> <h2>Instructions</h2> <p>Customers using automated or scripted installations must update their commands to avoid installation failures or interactive prompts.</p> <p>For example, if the command used to install Appian&nbsp;is similar to the following:</p> <pre>setupWin_appian-#.#.#.#.exe --mode silent --prefix &lt;APPIAN_HOME&gt;</pre> <p>This will need to&nbsp;updated to something similar to the following:</p> <pre>setupWin_appian-#.#.#.#.exe --mode unattended --prefix &lt;APPIAN_HOME&gt;</pre> <h2 id="mcetoc_1j5pahmfu5">Affected Versions</h2> <p>This article applies to all self-managed versions of Appian on Windows.</p> <p>Last Reviewed: December 2025</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: installation, infrastructure</div> https://community.appian.com/support/w/kb/3743/kb-2365-silent-installer-flag-deprecation-transition-from---mode-silent-to---mode-unattended/revision/1Wed, 10 Dec 2025 15:21:54 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:e6237188-b0f7-4353-89c3-7edce2001fd9pauline.delacruzhttps://community.appian.com/support/w/kb/3743/kb-2365-silent-installer-flag-deprecation-transition-from---mode-silent-to---mode-unattended#commentsRevision 1 posted to Appian Knowledge Base by pauline.delacruz on 12/10/2025 3:21:54 PM<br /> <h2>Purpose</h2> <p>This article was created to inform customers that the Windows installer flag <code>--mode silent</code> has been deprecated and replaced with <code>--mode unattended</code>.</p> <h2>Instructions</h2> <p>Customers using automated or scripted installations must update their commands to avoid installation failures or interactive prompts.</p> <p>For example, if the command used to install Appian&nbsp;is similar to the following:</p> <pre>setupWin_appian-#.#.#.#.exe --mode silent --prefix &lt;APPIAN_HOME&gt;</pre> <p>This will need to&nbsp;updated to something similar to the following:</p> <pre>setupWin_appian-#.#.#.#.exe --mode unattended --prefix &lt;APPIAN_HOME&gt;</pre> <h2 id="mcetoc_1j5pahmfu5">Affected Versions</h2> <p>This article applies to all self-managed versions of Appian on Windows.</p> <p>Last Reviewed: December 2025</p><div style="clear:both;"></div>